File mtt/bin/trans/dm2ir_m2dat artifact d3255be9a0 part of check-in a8cce33cfa

#! /bin/sh

     ###################################### 
     ##### Model Transformation Tools #####
     ######################################

# Bourne shell script: dat2ps

# Tramsforms descriptor matrix rep to frequency response dat.


# Copyright (c) P.J.Gawthrop, 1996.

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.3  1996/08/11 19:48:29  peter
## Parameter passing added.
##
## Revision 1.2  1996/08/11 10:40:00  peter
## Now handles e and NaN numbers.
##
## Revision 1.1  1996/08/10 14:15:03  peter
## Initial revision
##
###############################################################

echo Creating $1_ir.dat

if [ "$2" = "" ]; 
then
  PARAMS='t=[0:0.1:10]'
  echo Using default parameter $PARAMS
else
  PARAMS=$2;
fi


$MATRIX << EOF | gawk '$1 !~ /[A-MO-Zb-cf-z]/ && NF>0 {print} '  >$1_ir.dat

  $PARAMS;
  [n,m]=size(t);
  if m>n
    t=t';
  end;

  [A,B,C,D,E] = $1_dm($1_numpar);
  y = dm2ir(A,B,C,D,E,t);

  [Ny,Nu]=size(D);
  NN = Ny*Nu;

  xy = [t y(:,1)];
  for i=2:NN
    xy = [xy t y(:,i)];
  end;
xy

EOF